//
//  adder.h
//  rcshell
//
//  Created by luolijun on 2021/11/26.
//  Copyright © 2021 com.gitee.newheels. All rights reserved.
//
#ifndef rcshell_adder_h
#define rcshell_adder_h

#import <Foundation/Foundation.h>

@interface adder : NSObject

- (NSNumber *)add:(NSNumber *)a with:(NSNumber *)b;
- (NSNumber *)sub:(NSNumber *)a with:(NSNumber *)b;

@end

#endif /* rcshell_adder_h */
